Audio mixing board



FIG. 1 is a perspective view of an audio mixing board showing our newdesign;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a side elevational view thereof, the opposite side being amirror image; and,

FIG. 5 is a rear elevational view thereof.

The broken line showings of the stand, display boundaries, indicatorsand controls form no part of the claimed design.

The ornamental design for an audio mixing board, as shown and described.